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| author | Michal Zidek <mzidek@redhat.com> | 2013-08-14 18:22:06 +0200 |
|---|---|---|
| committer | Jakub Hrozek <jhrozek@redhat.com> | 2013-08-30 14:31:09 +0200 |
| commit | 488f449bc57ca147432f8906d04ad111cd498b0d (patch) | |
| tree | dc7cd8cb982cd3bf8c2820521c0082af3b0bf91e /src/util/mmap_cache.h | |
| parent | 9460c08f23402850d942941200bc15a3fa530ef6 (diff) | |
| download | sssd-488f449bc57ca147432f8906d04ad111cd498b0d.tar.gz sssd-488f449bc57ca147432f8906d04ad111cd498b0d.tar.xz sssd-488f449bc57ca147432f8906d04ad111cd498b0d.zip | |
mmap_cache: Off by one error.
Removes off by one error when using macro MC_SIZE_TO_SLOTS
and adds new macro MC_SLOT_WITHIN_BOUNDS.
Diffstat (limited to 'src/util/mmap_cache.h')
| -rw-r--r-- | src/util/mmap_cache.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/util/mmap_cache.h b/src/util/mmap_cache.h index 5350a0eb3..c04ce10df 100644 --- a/src/util/mmap_cache.h +++ b/src/util/mmap_cache.h @@ -68,6 +68,9 @@ typedef uint32_t rel_ptr_t; #define MC_SLOT_TO_PTR(base, slot, type) \ (type *)((base) + ((slot) * MC_SLOT_SIZE)) +#define MC_SLOT_WITHIN_BOUNDS(slot, dt_size) \ + ((slot) < ((dt_size) / MC_SLOT_SIZE)) + #define MC_VALID_BARRIER(val) (((val) & 0xff000000) == 0xf0000000) #define SSS_MC_MAJOR_VNO 0 |